During World War II the regiment formed battalions and smaller units, which were deployed on all fronts.

The regiment was disbanded by invading German forces after the announcement of the Armistice of Cassibile on 8 September 1943.

[1] The regiment's anniversary falls, as for all engineer units, on 24 June 1918, the last day of the Second Battle of the Piave River.

[1] During World War II the regiment's depot in Verona mobilized the following units:[1] The IX Pontieri Battalion served on the Eastern Front, where it earned a Silver Medal of Military Valor, while the battalion's 22nd Company was awarded a Bronze Medal of Military Valor for its last stand on the Don.

Germany reacted by invading Italy and the 1st Pontieri Regiment was disbanded soon thereafter by German forces.